144205220021345 has 48 divisors (see below), whose sum is σ = 202640666059008. Its totient is φ = 98224432790400.

The previous prime is 144205220021339. The next prime is 144205220021347. The reversal of 144205220021345 is 543120022502441.

It is not a de Polignac number, because 144205220021345 - 2⁶ = 144205220021281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144205220021347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1009041164 + ... + 1009184066.

It is an arithmetic number, because the mean of its divisors is an integer number (4221680542896).

Almost surely, 2^{144205220021345} is an apocalyptic number.

It is an amenable number.

144205220021345 is a deficient number, since it is larger than the sum of its proper divisors (58435446037663).

144205220021345 is a wasteful number, since it uses less digits than its factorization.

144205220021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170350 (or 170343 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 144205220021345 its reverse (543120022502441), we get a palindrome (687325242523786).

The spelling of 144205220021345 in words is "one hundred forty-four trillion, two hundred five billion, two hundred twenty million, twenty-one thousand, three hundred forty-five".